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E409

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ID = 2763
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Triode, vacuum   Power/Output 
Identical to E409 = YN4 = 4635 = TE09 = E430N = UV4100 = L4100
Similar Tubes
Other shape (e.g. bulb type):
  T5-409
Normally replaceable-slightly different:
  4A120 ; 5-409V ; A4BS ; DW1003 ; Dn64 ; E409N ; NE4 ; S410_Fotos ; S4_Fotos ; U4V ; VT141_TKD ; WG44
Other base:
  E409_UY
Multiple differences or of other kind:
  REN1104
First year 1928 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Oct.1929 : -- Original-techn. papers.
Successor Tubes E409N  

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   

e409.gif
E409: ficha de valvulas
Getulio Jimenez-Gomez

e409_sock.png E409: Funke, W18 Karte
Wolfgang Eckardt


Just Qvigstad
daten_e409_philips.png
E409: g.h.
Gerhard Heigl

More ...
Usage in Models 4= 1929 ; 1= 1930 ; 4= 1931 ; 1= 1932?? ; 1= 1932 ; 3= 1933 ; 1= 1934? ; 3= 1934 ; 1= 1935? ; 2= 1935 ; 1= 1937?? ; 1= 1937

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):23

Collection of

 
e409_web.jpg

E409
 

Variants

This one is from a later date.


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